US 12,079,962 B2
Method and apparatus for adaptive multi-frame image fusion
Mojtaba Rahmati, San Diego, CA (US); Dongwoon Bai, San Diego, CA (US); and Jungwon Lee, San Diego, CA (US)
Assigned to Samsung Electronics Co., Ltd, (KR)
Filed by Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed on Mar. 29, 2021, as Appl. No. 17/215,529.
Claims priority of provisional application 63/124,247, filed on Dec. 11, 2020.
Prior Publication US 2022/0188984 A1, Jun. 16, 2022
Int. Cl. G06K 9/00 (2022.01); G06T 5/50 (2006.01); G06T 5/70 (2024.01)
CPC G06T 5/70 (2024.01) [G06T 5/50 (2013.01); G06T 2207/20024 (2013.01); G06T 2207/20221 (2013.01); G06T 2207/20224 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method, comprising obtaining a difference map between a reference frame and a non-reference frame; estimating a noise power map of the difference map; obtaining merging weights by normalizing a difference between the noise power map and the difference map, wherein the difference is normalized by dividing by the difference map; and merging the non-reference frame with the reference frame using the merging weights.